function turn3(x) {

	var hide3Obj = document.getElementById("hide3");
	var show3Obj = document.getElementById("show3");

	if (x == "show3") {
		hide3Obj.style.display = "none";
		show3Obj.style.display = "block";
	} else {
		hide3Obj.style.display = "block";
		show3Obj.style.display = "none";
	}
}